NEW
Font size
S
M
L
XL
WorksheetsMoles
Total questions: 10
Worksheet time: 33mins
Name
Class
Date
1.
In chemistry, a "mole" is:
a)
The mass of an atom
b)
a large number used to count particles
c)
based on the volume of a substance
2.
How many potatoes are in one dozen potatoes?
a)
10
b)
12
c)
2
d)
6.02 x 1023
3.
How many atoms of iodine are in a mole of iodine?
a)
53
b)
63.55g
c)
126.9
d)
6.02 x 1023
4.
The number 6.02 x 1023 is called...
a)
Obama's number
b)
Bohr's number
c)
Trump's number
d)
Avogadro's number
5.
What is the molar mass of NaCl?
a)
58.45g/mol
b)
28g/mol
c)
12g/mol
d)
6.02 x 1023
6.
What is the molar mass of C2H4O2?
a)
40g
b)
50g
c)
60g
d)
68g
7.
How do we get mass from moles?
a)
multiply by avogadro's number
b)
multiply by molar mass
c)
divide by avogadro's number
d)
divide by molar mass
8.
What would be the mass of 1.5mol H2O
a)
20
b)
27
c)
32
d)
40
9.
What is the mass of 0.75 moles of (NH4)3PO4?
a)
101.75 g
b)
121.75 g
c)
111.75 g
d)
131.75 g
10.
If I need 20.4 moles of sodium chloride (NaCl) , how much should I weigh out?
a)
0.549 g
b)
112 g
c)
1192 g
d)
5077 g
Reset
